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An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x . Another side is 2 more than three times the length of the bottom of the triangle. The last side is 9 more than the bottom of the triangle. Write and simplify an expression for the perimeter of the triangle.

What is the expression for the perimeter of the​ triangle?

Respuesta :

clarch19

Answer:

P = 5x + 11

Step-by-step explanation:

Let x = bottom of triangle

Let 2 + 3x = another side

Let x + 9 = third side

P = x + x + 9 + 2 + 3x

P = 5x + 11

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